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Record #103835:

Chemical evidence in polar ice cores from dielectric profiling / J.C. Moore, Julian G. Paren, Robert Mulvaney.

Title: Chemical evidence in polar ice cores from dielectric profiling / J.C. Moore, Julian G. Paren, Robert Mulvaney.
Author(s): Moore, J. C.
Paren, Julian G.
Mulvaney, Robert.
Date: 1990.
In: Annals of Glaciology. (1990.), Vol. 14 (1990)
Abstract: Dielectric stratigraphy of 130 m ice core from Dolleman Island, Antarctic Peninsula, shows large variations in dielectric relaxation process and in conductivity. Comparison with chemical stratigraphy of core demonstrates decisive role played by acids and salts in determining electrical behaviour of natural ice. Dielectric response is sensitive to type of impurity and to its distribution within ice fabric. Evidence supports other observations of localization of sulphuric acid at three-grain boundaries: in contrast, salt impurity appears to be largely incorporated into ice lattice. Dielectric profiling technique is only profiling tool so far developed that is sensitive to presence of salt in polar ice cores.
Notes:

Annals of Glaciology. Vol. 14 :195-198 (1990).

Keywords: 551.324 -- Land ice.
54 -- Chemistry.
537 -- Electricity.
537.226 -- Ice, dielectrical properties.
537.311 -- Ice, electrical conductivity.
551.324.84 -- Land ice, impurities.
551.32 -- Glaciology.
551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.
622.14 -- Core sampling, ice and snow.
E3 -- Glaciology: instruments and methods.
(*7) -- Antarctic regions.
(*726) -- Maritime Antarctic.
(*726.3) -- Antarctic Peninsula.
(*726.88) -- Black Coast.
SPRI record no.: 103835

MARCXML

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245 10 ‡aChemical evidence in polar ice cores from dielectric profiling /‡cJ.C. Moore, Julian G. Paren, Robert Mulvaney.
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500 ## ‡aAnnals of Glaciology. Vol. 14 :195-198 (1990).
520 3# ‡aDielectric stratigraphy of 130 m ice core from Dolleman Island, Antarctic Peninsula, shows large variations in dielectric relaxation process and in conductivity. Comparison with chemical stratigraphy of core demonstrates decisive role played by acids and salts in determining electrical behaviour of natural ice. Dielectric response is sensitive to type of impurity and to its distribution within ice fabric. Evidence supports other observations of localization of sulphuric acid at three-grain boundaries: in contrast, salt impurity appears to be largely incorporated into ice lattice. Dielectric profiling technique is only profiling tool so far developed that is sensitive to presence of salt in polar ice cores.
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a54 -- Chemistry.‡2udc
650 07 ‡a537 -- Electricity.‡2udc
650 07 ‡a537.226 -- Ice, dielectrical properties.‡2udc
650 07 ‡a537.311 -- Ice, electrical conductivity.‡2udc
650 07 ‡a551.324.84 -- Land ice, impurities.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.‡2udc
650 07 ‡a622.14 -- Core sampling, ice and snow.‡2udc
650 07 ‡aE3 -- Glaciology: instruments and methods.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*726) -- Maritime Antarctic.‡2udc
651 #7 ‡a(*726.3) -- Antarctic Peninsula.‡2udc
651 #7 ‡a(*726.88) -- Black Coast.‡2udc
700 1# ‡aParen, Julian G.
700 1# ‡aMulvaney, Robert.
773 0# ‡7nnas ‡tAnnals of Glaciology. ‡gVol. 14 (1990) ‡wSPRI-60773
917 ## ‡aUnenhanced record from Muscat, imported 2019
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